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An EPR investigation of conductive polyaniline–poly(methyl methacrylate‐ co ‐acrylic acid) blends
Author(s) -
Wu K.H.,
Lai Y.S.,
Shih C.C.,
Wang G.P.,
Yang C.C.
Publication year - 2008
Publication title -
polymer composites
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.577
H-Index - 82
eISSN - 1548-0569
pISSN - 0272-8397
DOI - 10.1002/pc.20472
Subject(s) - polyaniline , materials science , electron paramagnetic resonance , acrylic acid , copolymer , polymer chemistry , methyl methacrylate , polymerization , conductive polymer , chemical engineering , composite material , polymer , nuclear magnetic resonance , physics , engineering
A conductive blend of polyaniline (PANI) with sodium form poly(methyl methacrylate‐ co ‐acrylic acid) copolymer (PMMAA) was prepared by in situ dispersion polymerization. The PANI‐PMMAA blends were characterized with UV–vis, FTIR, and electron paramagnetic resonance (EPR) spectra. The effects of PANI and temperature on the electronic properties of the PANI‐PMMAA blends were studied with EPR technique. The PANI and temperature affect the intermolecular interaction between PANI and PMMAA and then determines the EPR parameters ( A/B ratio, g factor, T 2 , Δ H pp , N s , and lineshape). POLYM. COMPOS., 2008. © 2008 Society of Plastics Engineers